Crossword clues for the word: COMPLAIN The word COMPLAIN has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for COMPLAIN Showing 1 to 9 of 9 results Clue(s) Bellyache is condition that's not terminal Commander has simple beef Express discontent Express dissatisfaction Express dissatisfaction with corrupt Milan cop Grouse Grumble Grumble that there’s always a palm out when there’s money about Moan